Fig. 3: Paper characterization.
From: Fully biodegradable printed electronic sensors based on biomass-derived graphene inks and agripapers
a SEM of raw agripaper. b SEM of treated agripaper following EC coating and calendering. c Cross-sectional SEM of raw and treated agripapers. d Roughness profiles of treated agripaper, raw agripaper, and commercial printer paper. Each profile is offset by 20 µm in the y-axis for clarity. e Stress-strain curves of treated agripaper, raw agripaper, and commercial printer paper. f Images of water droplets placed on treated agripaper, raw agripaper, and commercial printer paper in addition to a plot of the water contact angle as a function of time for the treated agripaper and commercial printer paper.
